Decorative light base



FIG. 1 is a perspective view of a decorative light base according to an embodiment of the claimed design, shown in a collapsed position;

FIG. 2 is a front elevational view of the decorative light base of FIG. 1;

FIG. 3 is a rear elevational view of the decorative light base of FIG. 1;

FIG. 4 is a left side elevational view of the decorative light base of FIG. 1;

FIG. 5 is a right side elevational view of the decorative light base of FIG. 1;

FIG. 6 is a top elevational view of the decorative light base of FIG. 1;

FIG. 7 is a bottom elevational view of the decorative light base of FIG. 1; and,

FIG. 8 is a perspective view of the decorative light base of FIG. 1, shown in an expanded position.

The broken line disclosure represents portions of the light base which form no part of the claimed design. 

CLAIM The ornamental design for a decorative light base, as shown and described. 